Engineering Materials Chilled cast iron has A very high percentage of graphite No graphite A low percentage of graphite Graphite as its basic constituent of composition A very high percentage of graphite No graphite A low percentage of graphite Graphite as its basic constituent of composition ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Strength and ductility Hardness and strength Hardness Machinability Strength and ductility Hardness and strength Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 70 - 78% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 78% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% ferrite and 87% cementite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite 13% ferrite and 87% cementite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Chromium Nickel Vanadium Cobalt Chromium Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP